diff --git a/dialogs/advancedvideodialog.h b/dialogs/advancedvideodialog.h
index e4279092b..70cd92142 100644
--- a/dialogs/advancedvideodialog.h
+++ b/dialogs/advancedvideodialog.h
@@ -57,7 +57,7 @@ public:
 
 public slots:
   /**
-   * @brief Overrided accept for saving the UI data into the provided VideoCodecParams struct.
+   * @brief Overridden accept for saving the UI data into the provided VideoCodecParams struct.
    */
   virtual void accept() override;
 private:
diff --git a/dialogs/mediapropertiesdialog.h b/dialogs/mediapropertiesdialog.h
index 5c0fdc839..a13d5e7ec 100644
--- a/dialogs/mediapropertiesdialog.h
+++ b/dialogs/mediapropertiesdialog.h
@@ -84,7 +84,7 @@ private:
   QCheckBox* premultiply_alpha_setting;
 private slots:
   /**
-   * @brief Overrided accept function for saving the properties back to the Media class
+   * @brief Overridden accept function for saving the properties back to the Media class
    */
   void accept();
 };
diff --git a/dialogs/preferencesdialog.cpp b/dialogs/preferencesdialog.cpp
index 6204a938a..628e1f610 100644
--- a/dialogs/preferencesdialog.cpp
+++ b/dialogs/preferencesdialog.cpp
@@ -479,7 +479,7 @@ void PreferencesDialog::delete_all_previews() {
     delete_previews(1);
     QMessageBox::information(this,
                              tr("Previews Deleted"),
-                             tr("All previews deleted succesfully. You may have to re-open your current project for changes to take effect."),
+                             tr("All previews deleted successfully. You may have to re-open your current project for changes to take effect."),
                              QMessageBox::Ok);
   }
 }
diff --git a/dialogs/replaceclipmediadialog.h b/dialogs/replaceclipmediadialog.h
index c0695f56f..dd40095be 100644
--- a/dialogs/replaceclipmediadialog.h
+++ b/dialogs/replaceclipmediadialog.h
@@ -51,7 +51,7 @@ public:
   ReplaceClipMediaDialog(QWidget* parent, Media* old_media);
 private slots:
   /**
-   * @brief Overrided accept for when the user clicks "Replace"
+   * @brief Overridden accept for when the user clicks "Replace"
    *
    * Checks whether the requested replace is valid using the following criteria:
    * * Any Media is selected
diff --git a/dialogs/speeddialog.h b/dialogs/speeddialog.h
index c52b2a862..940c50525 100644
--- a/dialogs/speeddialog.h
+++ b/dialogs/speeddialog.h
@@ -33,7 +33,7 @@
  * A dialog for setting the speed of one or more Clips. This can be run from anywhere provided it's given a valid
  * array of Clips.
  *
- * It's preferable ot
+ * It's preferable to
  */
 class SpeedDialog : public QDialog
 {
diff --git a/effects/fields/combofield.h b/effects/fields/combofield.h
index b5d288f41..64b7cc7fe 100644
--- a/effects/fields/combofield.h
+++ b/effects/fields/combofield.h
@@ -85,7 +85,7 @@ private slots:
    *
    * The current index of the QWidget (QComboBox in this case). Automatically set when this slot is connected
    * to the QComboBox::currentIndexChanged() signal. This is the only time ComboFields deal with indices since the
-   * QComboBox's indices will match precisely to the items_ array. Outside of this function, QVariant data is prefered.
+   * QComboBox's indices will match precisely to the items_ array. Outside of this function, QVariant data is preferred.
    */
   void UpdateFromWidget(int index);
 };
diff --git a/effects/shaders/chromakey.frag b/effects/shaders/chromakey.frag
index 4f57d8b1e..27827b5be 100644
--- a/effects/shaders/chromakey.frag
+++ b/effects/shaders/chromakey.frag
@@ -2,7 +2,7 @@
 (c) 2008 Edward Cannon (adapted to GLSL by Olive Team)
 feel free to use or modify at will*/
  
-/*the follwing three functions convert RGB into YCbCr in the same manner as in JPEG images*/ 
+/*the following three functions convert RGB into YCbCr in the same manner as in JPEG images*/ 
 
 uniform sampler2D tex;
 varying vec2 vTexCoord;
diff --git a/global/global.h b/global/global.h
index 1fb372076..95fbe3fc0 100644
--- a/global/global.h
+++ b/global/global.h
@@ -213,7 +213,7 @@ public slots:
      *
      * @param index
      *
-     * Index in the list of the project fille to load
+     * Index in the list of the project file to load
      */
     void open_recent(int index);
 
diff --git a/rendering/cacher.cpp b/rendering/cacher.cpp
index 4621b2d03..9b23bbf6c 100644
--- a/rendering/cacher.cpp
+++ b/rendering/cacher.cpp
@@ -887,7 +887,7 @@ void Cacher::OpenWorker() {
     // opens file resource for FFmpeg and prepares Clip struct for playback
     Footage* m = clip->media()->to_footage();
 
-    // byte array for retriving raw bytes from QString URL
+    // byte array for retrieving raw bytes from QString URL
     QByteArray ba;
 
     // do we have a proxy?
diff --git a/rendering/exportthread.cpp b/rendering/exportthread.cpp
index f65328a8d..11be69541 100644
--- a/rendering/exportthread.cpp
+++ b/rendering/exportthread.cpp
@@ -275,7 +275,7 @@ bool ExportThread::SetupAudio() {
     return false;
   }
 
-  // Copy paramters from the codec context (set up above) to the output stream
+  // Copy parameters from the codec context (set up above) to the output stream
   ret = avcodec_parameters_from_context(audio_stream->codecpar, acodec_ctx);
   if (ret < 0) {
     qCritical() << "Could not copy audio encoder parameters to output stream." << ret;
diff --git a/timeline/clip.cpp b/timeline/clip.cpp
index 1caaf70d1..b6ecb65e4 100644
--- a/timeline/clip.cpp
+++ b/timeline/clip.cpp
@@ -551,7 +551,7 @@ bool Clip::Retrieve()
     // Wait for exclusive control of the queue to avoid any threading collisions
     cacher.queue()->lock();
 
-    // Check if we retrieved a frame (nullptr) and if the queue stil contains this frame.
+    // Check if we retrieved a frame (nullptr) and if the queue still contains this frame.
     //
     // `nullptr` is returned if the cacher failed to get any sort of frame and is uncommon, but we do need
     // to handle it.
diff --git a/ui/effectui.cpp b/ui/effectui.cpp
index c47f08c9f..275f913f5 100644
--- a/ui/effectui.cpp
+++ b/ui/effectui.cpp
@@ -153,7 +153,7 @@ void EffectUI::AddAdditionalEffect(Effect *e)
   // Ensure this is the same kind of effect and will be fully compatible
   Q_ASSERT(e->meta == effect_->meta);
 
-  // Add multiple modifer to header label (but only once)
+  // Add 'multiple' modifier to header label (but only once)
   if (additional_effects_.isEmpty()) {
     QString new_title = tr("%1 (multiple)").arg(Title());
 
diff --git a/ui/effectui.h b/ui/effectui.h
index 53f04da6d..e24d0c6ff 100644
--- a/ui/effectui.h
+++ b/ui/effectui.h
@@ -48,7 +48,7 @@ public:
    *
    * @return
    *
-   * The Effect object passed to the constrcutor whe creating this EffectUI.
+   * The Effect object passed to the constructor when creating this EffectUI.
    */
   Effect* GetEffect();
 
diff --git a/ui/labelslider.h b/ui/labelslider.h
index 9727c26d1..a52125c27 100644
--- a/ui/labelslider.h
+++ b/ui/labelslider.h
@@ -82,7 +82,7 @@ public:
    * * `LABELSLIDER_FRAMENUMBER` - Shows the number as a timecode according to `config.timecode_view`. By default,
    * will render hh:mm:ss:ff
    * * `LABELSLIDER_PERCENT` - Shows the number as a percentage. 1.0 becomes "100%", 0.5 becomes 50%, etc.
-   * * `LABELSLIDER_DECIBLE` - Shows the number as a decibel. 1.0 becomes "0 dB", 2.0 becames roughly "6 dB", 0.5
+   * * `LABELSLIDER_DECIBLE` - Shows the number as a decibel. 1.0 becomes "0 dB", 2.0 becomes roughly "6 dB", 0.5
    * becomes roughly "-6 dB", etc.
    *
    * @param type
diff --git a/ui/timelinewidget.cpp b/ui/timelinewidget.cpp
index 2d276c68f..eb078189e 100644
--- a/ui/timelinewidget.cpp
+++ b/ui/timelinewidget.cpp
@@ -2093,7 +2093,7 @@ void TimelineWidget::mouseMoveEvent(QMouseEvent *event) {
               if (!(link->track() >= minimum_selection_track
                     && link->track() <= maximum_selection_track)) {
 
-                // clip is not in selectin area, time to select it
+                // clip is not in selection area, time to select it
                 Selection link_sel;
                 link_sel.in = selection_in;
                 link_sel.out = selection_out;